Sonoff 4CHPROR3 Mobile Phone Smart Home Switch Four-way Controller, Support Long-range Control Timing

1. Rated voltage: 100-240V 2. You can acces self-locking,interlock and inching mode on APP directly 3. One Channel controls one work status,enable interlock to turn on 1 channel and turn off other channels simultaneously 4. The durable flame-retardant PC shell provides the safety for connected devices in use 5. Easy to install